BASIC SWITCH 3SE51 METAL ENCLOSURE 40MM ACC.TO EN50041,1NO/2NC SNAP-ACT.CONT. WITH M12-CONNECT.,8-POLE METAL WITH 2 LED, YELL./GREEN,24V DC, WITHOUT ACTUATOR HEAD PIN-ASSIGN.: PIN1=21, PIN2=22, PIN3=13 AND LED GREEN, PIN4=14 AND LED YELL., PIN5=31, PIN6=32 PIN7=GROUND LED, PIN8=PE